ONTARIO HOME INTEL • CALCULATORS
Ontario Property Tax Estimator
Estimate annual and monthly Ontario property taxes using the property’s MPAC assessed value and applicable tax rate.
Property Tax Details
Optional Adjustments
Estimated Property Tax
Tax Rate Reference
Find the Effective Tax Rate From an Existing Bill
If you already know the property’s annual tax amount and MPAC assessment, this tool can calculate its approximate effective tax rate.
How Ontario Property Tax Is Calculated
Ontario property taxes are generally calculated by multiplying the property’s assessed value by the applicable tax rates for its property class.
A simplified calculation looks like this:
Assessed Value × Combined Tax Rate = Property Tax
The combined rate can include municipal and education components. In a two-tier municipality, municipal taxation can also include both lower-tier and upper-tier components.
Assessed Value vs. Market Value
A property’s MPAC assessed value should not be confused with its current market value or expected sale price.
For the 2026 property tax year, Ontario property assessments continue to use a January 1, 2016 valuation date. This means a home that could sell for $800,000 today might have a substantially different value shown on its MPAC assessment.
When using this calculator to estimate an existing property’s taxes, use the property’s actual MPAC assessed value whenever possible rather than its current asking price.
Why Two Similar Homes Can Have Different Tax Bills
Property tax is affected by assessment, property classification, applicable municipal rates, education rates and other property-specific factors.
Do not assume that two homes with similar current market values will necessarily have identical property taxes.
Where to Find the Right Tax Rate
The applicable property tax rate is determined by the municipality and the property’s tax classification. For an existing property, the municipality’s tax bill is generally the best starting point for confirming the actual amount currently being charged.
Municipalities typically publish annual property tax rates after the municipal budget and tax-rate bylaws are finalized.
When researching a property, confirm that the rate you use applies to the correct municipality, taxation year and property class.
Ontario Property Tax FAQ
How are property taxes calculated in Ontario?
Property taxes are generally calculated by multiplying the property’s MPAC assessed value by the applicable municipal and education property tax rates for the property’s tax class.
Is property tax based on what I paid for the house?
No. Property taxes are based on the property’s assessed value for taxation purposes, not simply its most recent purchase price.
Are Ontario assessments still based on 2016 values?
Yes. For the 2026 property tax year, MPAC assessments continue to be based on January 1, 2016 current values, subject to property-specific changes and assessment updates.
Does a higher home value automatically mean my taxes increase by the same percentage?
No. Property taxation depends on the assessment system, applicable tax rates, property class and municipal tax requirements. A change in market value does not translate directly into an identical percentage change in the tax bill.
Why is my home’s assessed value lower than its market value?
Ontario’s 2026 assessments continue to use the January 1, 2016 valuation date. Current market prices can therefore be substantially different from assessed values used for taxation.
Does every Ontario municipality have the same property tax rate?
No. Municipal property tax rates vary by municipality and property class. In two-tier municipalities, the total municipal rate can include both lower-tier and upper-tier components, in addition to the applicable education component.
Can I estimate the tax rate from an existing property tax bill?
Yes. Dividing the annual tax amount by the assessed value provides an approximate effective percentage. The reverse calculator above performs this calculation automatically. However, an individual tax bill may include additional charges, credits or circumstances that make the result different from a municipality’s published base residential rate.
Researching an Ontario Property?
Property taxes are only one part of the cost of owning a home. Review financing, closing costs, municipal rules and property-specific information before making a purchase decision.
Calculator Disclaimer: This calculator provides general estimates for educational and planning purposes only. It is not a municipal tax bill, assessment, appraisal, legal opinion, tax advice, financial advice or real estate advice. Property taxes vary by municipality, property class, assessment, taxation year, applicable rates, rebates, credits, levies, local charges and other property-specific factors. Always confirm the property’s actual assessment and current tax information with MPAC and the applicable municipality before relying on an estimate.